I have know the purchase of document viewer for web based so it’s work with php based website or not and document viewer supported all ppt,pdf,docs all type of extensions or not
Thank you for your interest in GroupDocs.Viewer. We provide packages for .NET - GroupDocs.Viewer for .NET and Java - GroupDocs.Viewer for Java.
In case you’re building PHP application you can try our Cloud API that comes with GroupDocs.Viewer Cloud SDK for PHP. The usage examples can be found at The examples can be found at GitHub - https://github.com/groupdocs-viewer-cloud/groupdocs-viewer-cloud-php. The list of all supported file formats can be found at https://docs.groupdocs.cloud/viewer/supported-document-formats/.